subsystems/win32/win32k/main/dllmain.c

   1 /*
   2  *  ReactOS W32 Subsystem
   3  *  Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License along
  16  *  with this program; if not, write to the Free Software Foundation, Inc.,
  17  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19 /*
  20  *  Entry Point for win32k.sys
  21  */
  22
  23 #include <win32k.h>
  24 #include <include/napi.h>
  25
  26 #define NDEBUG
  27 #include <debug.h>
  28
  29 HANDLE hModuleWin;
  30
  31 PGDI_HANDLE_TABLE INTERNAL_CALL GDIOBJ_iAllocHandleTable(OUT PSECTION_OBJECT *SectionObject);
  32 BOOL INTERNAL_CALL GDI_CleanupForProcess (struct _EPROCESS *Process);
  33 /* FIXME */
  34 PGDI_HANDLE_TABLE GdiHandleTable = NULL;
  35 PSECTION_OBJECT GdiTableSection = NULL;
  36
  37 HANDLE GlobalUserHeap = NULL;
  38 PSECTION_OBJECT GlobalUserHeapSection = NULL;
  39
  40 PSERVERINFO gpsi = NULL; // Global User Server Information.
  41
  42 HSEMAPHORE hsemDriverMgmt = NULL;
  43
  44 SHORT gusLanguageID;
  45
  46 extern ULONG_PTR Win32kSSDT[];
  47 extern UCHAR Win32kSSPT[];
  48 extern ULONG Win32kNumberOfSysCalls;
  49
  50 NTSTATUS
  51 APIENTRY
  52 Win32kProcessCallback(struct _EPROCESS *Process,
  53                       BOOLEAN Create)
  54 {
  55     PPROCESSINFO Win32Process;
  56     DECLARE_RETURN(NTSTATUS);
  57
  58     DPRINT("Enter Win32kProcessCallback\n");
  59     UserEnterExclusive();
  60
  61     /* Get the Win32 Process */
  62     Win32Process = PsGetProcessWin32Process(Process);
  63
  64     /* Allocate one if needed */
  65     if (!Win32Process)
  66     {
  67         /* FIXME - lock the process */
  68         Win32Process = ExAllocatePoolWithTag(NonPagedPool,
  69                                              sizeof(PROCESSINFO),
  70                                              'p23W');
  71
  72         if (Win32Process == NULL) RETURN( STATUS_NO_MEMORY);
  73
  74         RtlZeroMemory(Win32Process, sizeof(PROCESSINFO));
  75
  76         PsSetProcessWin32Process(Process, Win32Process);
  77         /* FIXME - unlock the process */
  78     }
  79
  80   if (Create)
  81     {
  82       SIZE_T ViewSize = 0;
  83       LARGE_INTEGER Offset;
  84       PVOID UserBase = NULL;
  85       NTSTATUS Status;
  86       extern PSECTION_OBJECT GlobalUserHeapSection;
  87       DPRINT("Creating W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
  88
  89       /* map the global heap into the process */
  90       Offset.QuadPart = 0;
  91       Status = MmMapViewOfSection(GlobalUserHeapSection,
  92                                   PsGetCurrentProcess(),
  93                                   &UserBase,
  94                                   0,
  95                                   0,
  96                                   &Offset,
  97                                   &ViewSize,
  98                                   ViewUnmap,
  99                                   SEC_NO_CHANGE,
 100                                   PAGE_EXECUTE_READ); /* would prefer PAGE_READONLY, but thanks to RTL heaps... */
 101       if (!NT_SUCCESS(Status))
 102       {
 103           DPRINT1("Failed to map the global heap! 0x%x\n", Status);
 104           RETURN(Status);
 105       }
 106       Win32Process->HeapMappings.Next = NULL;
 107       Win32Process->HeapMappings.KernelMapping = (PVOID)GlobalUserHeap;
 108       Win32Process->HeapMappings.UserMapping = UserBase;
 109       Win32Process->HeapMappings.Count = 1;
 110
 111       InitializeListHead(&Win32Process->ClassList);
 112
 113       InitializeListHead(&Win32Process->MenuListHead);
 114
 115       InitializeListHead(&Win32Process->GDIBrushAttrFreeList);
 116       InitializeListHead(&Win32Process->GDIDcAttrFreeList);
 117
 118       InitializeListHead(&Win32Process->PrivateFontListHead);
 119       ExInitializeFastMutex(&Win32Process->PrivateFontListLock);
 120
 121       InitializeListHead(&Win32Process->DriverObjListHead);
 122       ExInitializeFastMutex(&Win32Process->DriverObjListLock);
 123
 124       Win32Process->KeyboardLayout = W32kGetDefaultKeyLayout();
 125
 126       if(Process->Peb != NULL)
 127       {
 128         /* map the gdi handle table to user land */
 129         Process->Peb->GdiSharedHandleTable = GDI_MapHandleTable(GdiTableSection, Process);
 130         Process->Peb->GdiDCAttributeList = GDI_BATCH_LIMIT;
 131       }
 132
 133       Win32Process->peProcess = Process;
 134       /* setup process flags */
 135       Win32Process->W32PF_flags = 0;
 136     }
 137   else
 138     {
 139       DPRINT("Destroying W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
 140       IntCleanupMenus(Process, Win32Process);
 141       IntCleanupCurIcons(Process, Win32Process);
 142       CleanupMonitorImpl();
 143
 144       /* no process windows should exist at this point, or the function will assert! */
 145       DestroyProcessClasses(Win32Process);
 146
 147       GDI_CleanupForProcess(Process);
 148
 149       co_IntGraphicsCheck(FALSE);
 150
 151       /*
 152        * Deregister logon application automatically
 153        */
 154       if(LogonProcess == Win32Process)
 155       {
 156         LogonProcess = NULL;
 157       }
 158     }
 159
 160   RETURN( STATUS_SUCCESS);
 161
 162 CLEANUP:
 163   UserLeave();
 164   DPRINT("Leave Win32kProcessCallback, ret=%i\n",_ret_);
 165   END_CLEANUP;
 166 }
 167
 168
 169 NTSTATUS
 170 APIENTRY
 171 Win32kThreadCallback(struct _ETHREAD *Thread,
 172                      PSW32THREADCALLOUTTYPE Type)
 173 {
 174     struct _EPROCESS *Process;
 175     PTHREADINFO Win32Thread;
 176     DECLARE_RETURN(NTSTATUS);
 177
 178     DPRINT("Enter Win32kThreadCallback\n");
 179     UserEnterExclusive();
 180
 181     Process = Thread->ThreadsProcess;
 182
 183     /* Get the Win32 Thread */
 184     Win32Thread = PsGetThreadWin32Thread(Thread);
 185
 186     /* Allocate one if needed */
 187     if (!Win32Thread)
 188     {
 189         /* FIXME - lock the process */
 190         Win32Thread = ExAllocatePoolWithTag(NonPagedPool,
 191                                             sizeof(THREADINFO),
 192                                             't23W');
 193
 194         if (Win32Thread == NULL) RETURN( STATUS_NO_MEMORY);
 195
 196         RtlZeroMemory(Win32Thread, sizeof(THREADINFO));
 197
 198         PsSetThreadWin32Thread(Thread, Win32Thread);
 199         /* FIXME - unlock the process */
 200     }
 201   if (Type == PsW32ThreadCalloutInitialize)
 202     {
 203       HWINSTA hWinSta = NULL;
 204       PTEB pTeb;
 205       HDESK hDesk = NULL;
 206       NTSTATUS Status;
 207       PUNICODE_STRING DesktopPath;
 208       PRTL_USER_PROCESS_PARAMETERS ProcessParams = (Process->Peb ? Process->Peb->ProcessParameters : NULL);
 209
 210       DPRINT("Creating W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 211
 212       InitializeListHead(&Win32Thread->WindowListHead);
 213       InitializeListHead(&Win32Thread->W32CallbackListHead);
 214       InitializeListHead(&Win32Thread->PtiLink);
 215
 216       /*
 217        * inherit the thread desktop and process window station (if not yet inherited) from the process startup
 218        * info structure. See documentation of CreateProcess()
 219        */
 220       DesktopPath = (ProcessParams ? ((ProcessParams->DesktopInfo.Length > 0) ? &ProcessParams->DesktopInfo : NULL) : NULL);
 221       Status = IntParseDesktopPath(Process,
 222                                    DesktopPath,
 223                                    &hWinSta,
 224                                    &hDesk);
 225       if(NT_SUCCESS(Status))
 226       {
 227         if(hWinSta != NULL)
 228         {
 229           if(Process != CsrProcess)
 230           {
 231             HWINSTA hProcessWinSta = (HWINSTA)InterlockedCompareExchangePointer((PVOID)&Process->Win32WindowStation, (PVOID)hWinSta, NULL);
 232             if(hProcessWinSta != NULL)
 233             {
 234               /* our process is already assigned to a different window station, we don't need the handle anymore */
 235               NtClose(hWinSta);
 236             }
 237           }
 238           else
 239           {
 240             NtClose(hWinSta);
 241           }
 242         }
 243
 244         if (hDesk != NULL)
 245         {
 246           PDESKTOP DesktopObject;
 247           Win32Thread->rpdesk = NULL;
 248           Status = ObReferenceObjectByHandle(hDesk,
 249                                              0,
 250                                              ExDesktopObjectType,
 251                                              KernelMode,
 252                                              (PVOID*)&DesktopObject,
 253                                              NULL);
 254           NtClose(hDesk);
 255           if(NT_SUCCESS(Status))
 256           {
 257             if (!IntSetThreadDesktop(DesktopObject,
 258                                      FALSE))
 259             {
 260               DPRINT1("Unable to set thread desktop\n");
 261             }
 262           }
 263           else
 264           {
 265             DPRINT1("Unable to reference thread desktop handle 0x%x\n", hDesk);
 266           }
 267         }
 268       }
 269       Win32Thread->TIF_flags &= ~TIF_INCLEANUP;
 270       co_IntDestroyCaret(Win32Thread);
 271       Win32Thread->ppi = PsGetCurrentProcessWin32Process();
 272       pTeb = NtCurrentTeb();
 273       if (pTeb)
 274       {
 275           Win32Thread->pClientInfo = (PCLIENTINFO)pTeb->Win32ClientInfo;
 276           Win32Thread->pClientInfo->pClientThreadInfo = NULL;
 277       }
 278       Win32Thread->MessageQueue = MsqCreateMessageQueue(Thread);
 279       Win32Thread->KeyboardLayout = W32kGetDefaultKeyLayout();
 280       Win32Thread->pEThread = Thread;
 281     }
 282   else
 283     {
 284       PSINGLE_LIST_ENTRY e;
 285
 286       DPRINT("Destroying W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
 287
 288       Win32Thread->TIF_flags |= TIF_INCLEANUP;
 289       DceFreeThreadDCE(Win32Thread);
 290       HOOK_DestroyThreadHooks(Thread);
 291       /* Cleanup timers */
 292       DestroyTimersForThread(Win32Thread);
 293       KeSetEvent(Win32Thread->MessageQueue->NewMessages, IO_NO_INCREMENT, FALSE);
 294       UnregisterThreadHotKeys(Thread);
 295       /* what if this co_ func crash in umode? what will clean us up then? */
 296       co_DestroyThreadWindows(Thread);
 297       IntBlockInput(Win32Thread, FALSE);
 298       MsqDestroyMessageQueue(Win32Thread->MessageQueue);
 299       IntCleanupThreadCallbacks(Win32Thread);
 300
 301       /* cleanup user object references stack */
 302       e = PopEntryList(&Win32Thread->ReferencesList);
 303       while (e)
 304       {
 305          PUSER_REFERENCE_ENTRY ref = CONTAINING_RECORD(e, USER_REFERENCE_ENTRY, Entry);
 306          DPRINT("thread clean: remove reference obj 0x%x\n",ref->obj);
 307          UserDereferenceObject(ref->obj);
 308
 309          e = PopEntryList(&Win32Thread->ReferencesList);
 310       }
 311
 312       IntSetThreadDesktop(NULL,
 313                           TRUE);
 314
 315       PsSetThreadWin32Thread(Thread, NULL);
 316     }
 317
 318   RETURN( STATUS_SUCCESS);
 319
 320 CLEANUP:
 321   UserLeave();
 322   DPRINT("Leave Win32kThreadCallback, ret=%i\n",_ret_);
 323   END_CLEANUP;
 324 }
 325
 326 /* Only used in ntuser/input.c KeyboardThreadMain(). If it's
 327    not called there anymore, please delete */
 328 NTSTATUS
 329 Win32kInitWin32Thread(PETHREAD Thread)
 330 {
 331   PEPROCESS Process;
 332
 333   Process = Thread->ThreadsProcess;
 334
 335   if (Process->Win32Process == NULL)
 336     {
 337       /* FIXME - lock the process */
 338       Process->Win32Process = ExAllocatePoolWithTag(NonPagedPool, sizeof(PROCESSINFO), USERTAG_PROCESSINFO);
 339
 340       if (Process->Win32Process == NULL)
 341         return STATUS_NO_MEMORY;
 342
 343       RtlZeroMemory(Process->Win32Process, sizeof(PROCESSINFO));
 344       /* FIXME - unlock the process */
 345
 346       Win32kProcessCallback(Process, TRUE);
 347     }
 348
 349   if (Thread->Tcb.Win32Thread == NULL)
 350     {
 351       Thread->Tcb.Win32Thread = ExAllocatePoolWithTag(NonPagedPool, sizeof(THREADINFO), USERTAG_THREADINFO);
 352       if (Thread->Tcb.Win32Thread == NULL)
 353         return STATUS_NO_MEMORY;
 354
 355       RtlZeroMemory(Thread->Tcb.Win32Thread, sizeof(THREADINFO));
 356
 357       Win32kThreadCallback(Thread, PsW32ThreadCalloutInitialize);
 358     }
 359
 360   return(STATUS_SUCCESS);
 361 }
 362
 363 C_ASSERT(sizeof(SERVERINFO) <= PAGE_SIZE);
 364
 365 /*
 366  * This definition doesn't work
 367  */
 368 NTSTATUS APIENTRY
 369 DriverEntry (
 370   IN    PDRIVER_OBJECT  DriverObject,
 371   IN    PUNICODE_STRING RegistryPath)
 372 {
 373   NTSTATUS Status;
 374   BOOLEAN Result;
 375   WIN32_CALLOUTS_FPNS CalloutData = {0};
 376   PVOID GlobalUserHeapBase = NULL;
 377
 378   /*
 379    * Register user mode call interface
 380    * (system service table index = 1)
 381    */
 382   Result = KeAddSystemServiceTable (Win32kSSDT,
 383                                     NULL,
 384                                     Win32kNumberOfSysCalls,
 385                                     Win32kSSPT,
 386                                     1);
 387   if (Result == FALSE)
 388     {
 389       DPRINT1("Adding system services failed!\n");
 390       return STATUS_UNSUCCESSFUL;
 391     }
 392
 393   hModuleWin = MmPageEntireDriver(DriverEntry);
 394   DPRINT("Win32k hInstance 0x%x!\n",hModuleWin);
 395     /*
 396      * Register Object Manager Callbacks
 397      */
 398     CalloutData.WindowStationParseProcedure = IntWinStaObjectParse;
 399     CalloutData.WindowStationDeleteProcedure = IntWinStaObjectDelete;
 400     CalloutData.DesktopDeleteProcedure = IntDesktopObjectDelete;
 401     CalloutData.ProcessCallout = Win32kProcessCallback;
 402     CalloutData.ThreadCallout = Win32kThreadCallback;
 403     CalloutData.BatchFlushRoutine = NtGdiFlushUserBatch;
 404
 405     /*
 406      * Register our per-process and per-thread structures.
 407      */
 408     PsEstablishWin32Callouts((PWIN32_CALLOUTS_FPNS)&CalloutData);
 409
 410     GlobalUserHeap = UserCreateHeap(&GlobalUserHeapSection,
 411                                     &GlobalUserHeapBase,
 412                                     1 * 1024 * 1024); /* FIXME - 1 MB for now... */
 413     if (GlobalUserHeap == NULL)
 414     {
 415         DPRINT1("Failed to initialize the global heap!\n");
 416         return STATUS_UNSUCCESSFUL;
 417     }
 418
 419    if (!gpsi)
 420    {
 421       gpsi = UserHeapAlloc(sizeof(SERVERINFO));
 422       if (gpsi)
 423       {
 424          RtlZeroMemory(gpsi, sizeof(SERVERINFO));
 425          DPRINT("Global Server Data -> %x\n", gpsi);
 426       }
 427       else
 428       {
 429           ASSERT(FALSE);
 430       }
 431    }
 432
 433   if(!hsemDriverMgmt) hsemDriverMgmt = EngCreateSemaphore();
 434
 435   GdiHandleTable = GDIOBJ_iAllocHandleTable(&GdiTableSection);
 436   if (GdiHandleTable == NULL)
 437   {
 438       DPRINT1("Failed to initialize the GDI handle table.\n");
 439       return STATUS_UNSUCCESSFUL;
 440   }
 441
 442   /* Initialize default palettes */
 443   PALETTE_Init();
 444
 445   /* Create stock objects, ie. precreated objects commonly
 446      used by win32 applications */
 447   CreateStockObjects();
 448   CreateSysColorObjects();
 449
 450   InitXlateImpl();
 451   InitPDEVImpl();
 452   InitLDEVImpl();
 453   InitDeviceImpl();
 454
 455   Status = InitDcImpl();
 456   if (!NT_SUCCESS(Status))
 457   {
 458     DPRINT1("Failed to initialize Device context implementation!\n");
 459     return STATUS_UNSUCCESSFUL;
 460   }
 461
 462   Status = InitUserImpl();
 463   if (!NT_SUCCESS(Status))
 464   {
 465     DPRINT1("Failed to initialize user implementation!\n");
 466     return STATUS_UNSUCCESSFUL;
 467   }
 468
 469   Status = InitHotkeyImpl();
 470   if (!NT_SUCCESS(Status))
 471   {
 472     DPRINT1("Failed to initialize hotkey implementation!\n");
 473     return STATUS_UNSUCCESSFUL;
 474   }
 475
 476   Status = InitWindowStationImpl();
 477   if (!NT_SUCCESS(Status))
 478   {
 479     DPRINT1("Failed to initialize window station implementation!\n");
 480     return STATUS_UNSUCCESSFUL;
 481   }
 482
 483   Status = InitDesktopImpl();
 484   if (!NT_SUCCESS(Status))
 485   {
 486     DPRINT1("Failed to initialize desktop implementation!\n");
 487     return STATUS_UNSUCCESSFUL;
 488   }
 489
 490   Status = InitWindowImpl();
 491   if (!NT_SUCCESS(Status))
 492   {
 493     DPRINT1("Failed to initialize window implementation!\n");
 494     return STATUS_UNSUCCESSFUL;
 495   }
 496
 497   Status = InitMenuImpl();
 498   if (!NT_SUCCESS(Status))
 499   {
 500     DPRINT1("Failed to initialize menu implementation!\n");
 501     return STATUS_UNSUCCESSFUL;
 502   }
 503
 504   Status = InitInputImpl();
 505   if (!NT_SUCCESS(Status))
 506     {
 507       DPRINT1("Failed to initialize input implementation.\n");
 508       return(Status);
 509     }
 510
 511   Status = InitKeyboardImpl();
 512   if (!NT_SUCCESS(Status))
 513     {
 514       DPRINT1("Failed to initialize keyboard implementation.\n");
 515       return(Status);
 516     }
 517
 518   Status = InitMonitorImpl();
 519   if (!NT_SUCCESS(Status))
 520     {
 521       DbgPrint("Failed to initialize monitor implementation!\n");
 522       return STATUS_UNSUCCESSFUL;
 523     }
 524
 525   Status = MsqInitializeImpl();
 526   if (!NT_SUCCESS(Status))
 527     {
 528       DPRINT1("Failed to initialize message queue implementation.\n");
 529       return(Status);
 530     }
 531
 532   Status = InitTimerImpl();
 533   if (!NT_SUCCESS(Status))
 534     {
 535       DPRINT1("Failed to initialize timer implementation.\n");
 536       return(Status);
 537     }
 538
 539   Status = InitAcceleratorImpl();
 540   if (!NT_SUCCESS(Status))
 541     {
 542       DPRINT1("Failed to initialize accelerator implementation.\n");
 543       return(Status);
 544     }
 545
 546   Status = InitGuiCheckImpl();
 547   if (!NT_SUCCESS(Status))
 548     {
 549       DPRINT1("Failed to initialize GUI check implementation.\n");
 550       return(Status);
 551     }
 552
 553   /* Initialize FreeType library */
 554   if (! InitFontSupport())
 555     {
 556       DPRINT1("Unable to initialize font support\n");
 557       return STATUS_UNSUCCESSFUL;
 558     }
 559
 560   gusLanguageID = IntGdiGetLanguageID();
 561
 562   return STATUS_SUCCESS;
 563 }
 564
 565 /* EOF */